Biographies of prominent Germans from the earliest period to the end of the 19th century, edited by R. v. Liliencron, assisted until 1897 by F.X. v. Wegele; v. 54 edited by A. Bettelheim, v. 55 by the "Historische Commission." cf. Pref. to v. 1, 45, 54, 55 and 56.